| 接地网的节点分析模型 |
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| 引用本文： | 毛文奇,刘海燕,徐华,周青山. 接地网的节点分析模型[J]. 电力科学与工程, 2004, 0(3): 41-43 |
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| 作者姓名： | 毛文奇 刘海燕 徐华 周青山 |
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| 作者单位： | 湖南省电力试验研究所,湖南,长沙,410077;武汉大学,电气工程学院,湖北,武汉,430072 |
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| 摘 要： | 基于场路结合的思想，提供了一种分析地网性能的方法，用节点电压法分析接地网，考虑导体的自感、导体间的互感。暂态响应可以通过傅里叶变换而得到。此方法对任意层土壤下的接地网都适用，可容易地求出接地阻抗、最大跨步和接触电势系数，提供了实际应用的例子。
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| 关 键 词： | 接地网 频率相关 电气设备 阻抗 计算机模型 |
| 文章编号： | 1672-0792(2004)03-0041-03 |
| 修稿时间： | 2004-06-18 |
Node Analysis Model of Grounding Grids |
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| MAO Wen-qi`,LUI Hai-yan`,XU Hua`,ZHOU Qing-shan`. Node Analysis Model of Grounding Grids[J]. Power Science and Engineering, 2004, 0(3): 41-43 |
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| Authors: | MAO Wen-qi` LUI Hai-yan` XU Hua` ZHOU Qing-shan` |
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| Affiliation: | MAO Wen-qi`1,LUI Hai-yan`2,XU Hua`2,ZHOU Qing-shan`2 |
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| Abstract: | Based on the field-circuit coupling theory, the paper analyses grounding grids performance by node method. This method takes into account the self-inducatance of conductors and mutual-inducatance among conductances. A transient response may be obtained by means of Fourier Transform. It can be used in layered soils. Grounding grids, maximal step and touch voltage coefficient can be computed easily. Practical applications are presented. |
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| Keywords: | grounding network frequency-dependent electric installation resistance computer modeling |
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